diff --git a/Gemfile b/Gemfile
index 2283f28..1d2c6a7 100644
--- a/Gemfile
+++ b/Gemfile
@@ -18,5 +18,5 @@ group :development do
 end
 
 group :test do
-  gem 'rspec', '~> 3.12'
+  gem 'rspec', '~> 3.13'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 792deba..3fd2a5f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -14,7 +14,7 @@ GEM
       tzinfo (~> 2.0)
     ast (2.4.2)
     concurrent-ruby (1.2.2)
-    diff-lcs (1.5.0)
+    diff-lcs (1.5.1)
     i18n (1.14.1)
       concurrent-ruby (~> 1.0)
     json (2.7.1)
@@ -30,19 +30,19 @@ GEM
     rake (13.1.0)
     regexp_parser (2.9.0)
     rexml (3.2.6)
-    rspec (3.12.0)
-      rspec-core (~> 3.12.0)
-      rspec-expectations (~> 3.12.0)
-      rspec-mocks (~> 3.12.0)
-    rspec-core (3.12.2)
-      rspec-support (~> 3.12.0)
-    rspec-expectations (3.12.2)
+    rspec (3.13.0)
+      rspec-core (~> 3.13.0)
+      rspec-expectations (~> 3.13.0)
+      rspec-mocks (~> 3.13.0)
+    rspec-core (3.13.0)
+      rspec-support (~> 3.13.0)
+    rspec-expectations (3.13.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.12.0)
-    rspec-mocks (3.12.3)
+      rspec-support (~> 3.13.0)
+    rspec-mocks (3.13.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.12.0)
-    rspec-support (3.12.0)
+      rspec-support (~> 3.13.0)
+    rspec-support (3.13.0)
     rubocop (1.60.2)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
@@ -85,7 +85,7 @@ PLATFORMS
 
 DEPENDENCIES
   rake (~> 13.1)
-  rspec (~> 3.12)
+  rspec (~> 3.13)
   rspec_performance_summary!
   rubocop
   rubocop-performance